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Old   November 25, 2010, 02:42
Default Body force in CFX
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Hamed
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Hi,
I want to model tank slosing in ansys cfx 12.1
How should I apply the body force to excite the flow?

Regards;
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Old   November 25, 2010, 07:51
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Glenn Horrocks
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What body force?

Tank sloshing is usually modelled either by moving the gravity vector, or using a moving mesh to move the model to follow the sloshing motion. Should be no need to specify body forces.
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Old   November 25, 2010, 19:09
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thx for the reply

thats exactly what i need.
how can i change the gravity vector?
and for the complex version how can the mesh be moved?

regards for your help
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Old   November 27, 2010, 05:28
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For moving gravity vector: Instead of using a constant value for gravity use a CEL expression as a function of time.

For moving mesh: Do the moving mesh tutorials.
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